Sleek summer protection against the sun and chill: The Neo Top 0.5 Long sleeve for men is made for maximum freedom of movement and wearing comfort. Thin neoprene offers essential protection against the sun and wind chill. Inside, the super smooth Silk_Stuff lining enhances comfort, making every wear a pleasure. The drawstring at the hem lets you adjust for the perfect fit, providing sleek summer protection that moves with you without restriction.